Personal Records Personal Records
Event Mark State National Date
800m 1:57.98 #2,902 Mar 18, 2026
1600m 4:27.69 #3,887 Mar 7, 2026
3200m 9:36.49 #2,316 Mar 20, 2026
2.x Mile 14:11.00 Sep 27, 2025
5K 15:32.87 #1,314 Sep 24, 2025
400m 55.51 Mar 19, 2025
800m 1:57.98 #2,902 Mar 18, 2026
1500m 4:28.83 Jul 6, 2023
1600m 4:27.69 #3,887 Mar 7, 2026
3000m 9:45.92 Jul 6, 2023
3200m 9:36.49 #2,316 Mar 20, 2026
2 Mile 9:31.83 Oct 24, 2025
4K 11:57.51 #16 Sep 13, 2025
2.x Mile 14:11.00 Sep 27, 2025
3 Mile 15:32.87 #1,434 Sep 24, 2025
5K 15:32.87 #1,314 Sep 24, 2025
See where Duncan ranks State & National rankings, available to MileSplit PRO subscribers. Join MileSplit PRO
Results Results

To see all performances, subscribe to

MileSplit Logo
Join Now

Already a Pro member?

2026 - Outdoor

800 Meter Run

1600 Meter Run

3200 Meter Run

2025 - Cc

2 Mile Run

4000 Meter Run

2.x Mile Run (CC Short Course)

Three Mile Run

5000 Meter Run

2025 - Outdoor

400 Meter Dash

800 Meter Run

1600 Meter Run

3200 Meter Run

2024 - Cc

2 Mile Run

4000 Meter Run

2.x Mile Run (CC Short Course)

Three Mile Run

5000 Meter Run

2024 - Outdoor

400 Meter Dash

800 Meter Run

1600 Meter Run

3200 Meter Run

2023 - Cc

2 Mile Run

2.x Mile Run (CC Short Course)

5000 Meter Run

2023 - Outdoor

800 Meter Run

1500 Meter Run

3000 Meter Run

2022 - Cc

4000 Meter Run

College Progression Tracker

Your 1600m performance is better than XX% of Division I athletes when they were Senior in high school.